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It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report.
False. It is not essential.
There are a number of possible solutions to the open ended brief. One of the simple ones is shown here without the PKs and FKs. It is important to think of how a number of tasks
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
What are the two types of serializability? The two types of serializability is a) Conflict serializability b) View serializability
Consider the relations EMPLOYEE(emp#, name) ASSIGNED_TO(project#, emp#) PROJECT(project#, project_name, chief) Express the subsequent queries in Relational Algebra (i) Ge
need a DBMS system on any data for assignment.
What are the basic objects of the data dictionary? Tables Domains Data elements Structures Foreign Keys
Discuss along with examples about several types of attributes present in the ER model? Types of Attributes are: • SIMPLE attributes are attributes which are drawn from the ato
What is the role of ORDER By Clause? ORDER BY clause: The ORDER BY clause permits you to sort the records in your result set. The ORDER BY clause can just be used in select s
What is the difference between a key and a superkey? Key - A key a single attribute or a combination of two or more attributes of an entity set which is used to identify one
A database administrator''s responsibilities and data contents
Thank you, for your expert advice. You have provided very useful answer.
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